The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2021
Filed:
Jun. 23, 2017
Applicant:
Ledvance Gmbh, Garching bei Munchen, DE;
Inventor:
Armin Konrad, Großitingen, DE;
Assignee:
LED VANCE GMBH, Garching bei Munchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/72 (2006.01); H01J 61/35 (2006.01); C09K 11/77 (2006.01); H01J 61/30 (2006.01); H01J 61/44 (2006.01); H01J 61/46 (2006.01);
U.S. Cl.
CPC ...
H01J 61/72 (2013.01); C09K 11/7709 (2013.01); C09K 11/7777 (2013.01); H01J 61/302 (2013.01); H01J 61/35 (2013.01); H01J 61/44 (2013.01); H01J 61/46 (2013.01);
Abstract
A low-pressure discharge lamp having a discharge vessel and a coating structure. The coating structure is formed on an inner side of the discharge vessel. The coating structure has nanoscale phosphate particles and/or nanoscale functional oxide. Alternatively or in addition, the phosphate particles are free or at least approximately free of rare earth metals. The nanoscale phosphate particles range in size from 5 nm to 800 nm.